Bell inequalities for position measurements are derived using the bits of the binary expansion of position-measurement results. Violations of these inequalities are obtained from the output state of the Non-degenerate Optical Parametric Amplifier.
@article{arxiv.quant-ph/0310140,
title = {Bell Inequalities for Position Measurements},
author = {Jan-Åke Larsson},
journal= {arXiv preprint arXiv:quant-ph/0310140},
year = {2022}
}